Another question: Do you believe that you had those styles previously and now they are missing, or this is the first time you noticed that they are not available?
Maybe the Mac version is future-proofed for forthcoming styles?
BIAB & RB2022(Audiophile), SonarPlatinum, Izotope Prod.Bundle, Roland RD-1000, Synthogy Ivory, Kontakt, Focusrite 18i20, KetronSD2, NS40M StudioMonitors, Pioneer Active Monitors, AKG K271 Studio H'phones